/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.shenyu.common.timer;

/**
 * Timer .
 */
public interface Timer {
    
    /**
     * Add timer task.
     *
     * @param timerTask the timer task
     */
    void add(TimerTask timerTask);
    
    /**
     * Advance clock boolean.
     *
     * @param timeoutMs the timeout ms
     * @throws InterruptedException the interrupted exception
     */
    void advanceClock(long timeoutMs) throws InterruptedException;
    
    /**
     * Size int.
     *
     * @return the int
     */
    int size();
    
    /**
     * Shutdown.
     */
    void shutdown();
    
}

